Problem:
When I open my XIN file, I am unable to see any of my preferences or styles - it is as if the XIN file is blank.
Solution:
Please refer to this updated WIKI article for information regarding the Blank preferences.
http://communities.bentley.com/products/road___site_design/w/road_and_site_design__wiki/31445.preferences-or-style-manager-list-is-blank-in-the-xin